Reply To: Fatal error: call to undefined function is_plugin_active()

• Elliot

• April 20, 2016 at 8:56 am

Thanks guys.

Adding the following to the top of the function should solve the issue:

// ensure is_plugin_active() exists (not on frontend)
		if( !function_exists('is_plugin_active') ) {
			
			include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
			
		}

Please add this and let me know if it solves the problem for you

Thanks
Elliot